5
|
Application guidelines
Installer reference guide
27
EPGA11~ EAV23DA6V
Daikin Altherma 3 H F
4P606487-1 – 2019.12
INFORMATION
In case an external room thermostat is used and room frost protection needs to be
guaranteed in all conditions, then you have to set
Emergency
[9.5] to
Automatic
.
NOTICE
An overpressure bypass valve can be integrated in the system. Keep in mind that this
valve might not be shown on the illustrations.
5.2.1 Single room
Underfloor heating or radiators – Wired room thermostat
Setup
A
B
a
A
Main leaving water temperature zone
B
One single room
a
User interface used as room thermostat
▪
The underfloor heating or radiators are directly connected to the indoor unit.
▪
The room temperature of the main room is controlled by the user interface used
as a room thermostat (optional equipment BRC1H).
Configuration
Setting
Value
Unit temperature control:
▪
#: [2.9]
▪
Code: [C-07]
2 (
Room thermostat
): Unit operation
is decided based on the ambient
temperature of the user interface.
Number of water temperature zones:
▪
#: [4.4]
▪
Code: [7-02]
0 (
Single zone
): Main
Benefits
▪
Highest comfort and efficiency
. The smart room thermostat functionality can
decrease or increase the desired leaving water temperature based on the actual
room temperature (modulation). This results in:
-
Stable room temperature matching the desired temperature (higher comfort)
-
Less ON/OFF cycles (more quiet, higher comfort and higher efficiency)
-
Lowest possible leaving water temperature (higher efficiency)
